1 /* $NetBSD: machdep.h,v 1.15 2012/09/01 12:05:09 martin Exp $ */ 2 3 #ifndef _ARM32_BOOT_MACHDEP_H_ 4 #define _ARM32_BOOT_MACHDEP_H_ 5 6 /* Define various stack sizes in pages */ 7 #ifndef IRQ_STACK_SIZE 8 #define IRQ_STACK_SIZE 1 9 #endif 10 #ifndef ABT_STACK_SIZE 11 #define ABT_STACK_SIZE 1 12 #endif 13 #ifndef UND_STACK_SIZE 14 #ifdef IPKDB 15 #define UND_STACK_SIZE 2 16 #else 17 #define UND_STACK_SIZE 1 18 #endif 19 #endif 20 #ifndef FIQ_STACK_SIZE 21 #define FIQ_STACK_SIZE 1 22 #endif 23 24 25 extern void (*cpu_reset_address)(void); 26 extern paddr_t cpu_reset_address_paddr; 27 28 extern u_int data_abort_handler_address; 29 extern u_int prefetch_abort_handler_address; 30 // extern u_int undefined_handler_address; 31 #define undefined_handler_address (curcpu()->ci_undefsave[2]) 32 33 /* 34 * Physical / virtual address structure. In a number of places (particularly 35 * during bootstrapping) we need to keep track of the physical and virtual 36 * addresses of various pages 37 */ 38 typedef struct pv_addr { 39 SLIST_ENTRY(pv_addr) pv_list; 40 paddr_t pv_pa; 41 vaddr_t pv_va; 42 vsize_t pv_size; 43 uint8_t pv_cache; 44 uint8_t pv_prot; 45 } pv_addr_t; 46 typedef SLIST_HEAD(, pv_addr) pv_addrqh_t; 47 48 struct bootmem_info { 49 paddr_t bmi_start; 50 paddr_t bmi_kernelstart; 51 paddr_t bmi_kernelend; 52 paddr_t bmi_end; 53 pv_addrqh_t bmi_freechunks; 54 pv_addrqh_t bmi_chunks; /* sorted list of memory to be mapped */ 55 pv_addr_t bmi_freeblocks[4]; 56 /* 57 * These need to be static for pmap's kernel_pt list. 58 */ 59 pv_addr_t bmi_vector_l2pt; 60 pv_addr_t bmi_io_l2pt; 61 pv_addr_t bmi_l2pts[16]; 62 u_int bmi_freepages; 63 u_int bmi_nfreeblocks; 64 }; 65 66 extern struct bootmem_info bootmem_info; 67 68 extern char *booted_kernel; 69 70 extern volatile uint32_t arm_cpu_hatched; 71 extern uint32_t arm_cpu_mbox; 72 extern u_int arm_cpu_max; 73 74 /* misc prototypes used by the many arm machdeps */ 75 void cortex_pmc_ccnt_init(void); 76 void cpu_hatch(struct cpu_info *, cpuid_t, void (*)(struct cpu_info *)); 77 void halt(void); 78 void parse_mi_bootargs(char *); 79 void data_abort_handler(trapframe_t *); 80 void prefetch_abort_handler(trapframe_t *); 81 void undefinedinstruction_bounce(trapframe_t *); 82 void dumpsys(void); 83 84 /* 85 * note that we use void *as all the platforms have different ideas on what 86 * the structure is 87 */ 88 u_int initarm(void *); 89 struct pmap_devmap; 90 struct boot_physmem; 91 void arm32_bootmem_init(paddr_t memstart, psize_t memsize, paddr_t kernelstart); 92 void arm32_kernel_vm_init(vaddr_t kvm_base, vaddr_t vectors, 93 vaddr_t iovbase /* (can be zero) */, 94 const struct pmap_devmap *devmap, bool mapallmem_p); 95 vaddr_t initarm_common(vaddr_t kvm_base, vsize_t kvm_size, 96 const struct boot_physmem *bp, size_t nbp); 97 98 99 /* from arm/arm32/intr.c */ 100 void dosoftints(void); 101 void set_spl_masks(void); 102 #ifdef DIAGNOSTIC 103 void dump_spl_masks(void); 104 #endif 105 #endif 106